package Moose::Meta::Attribute::Native::Trait;
use Moose::Role;
+
+use Class::Load qw(load_class);
+use List::MoreUtils qw( any uniq );
use Moose::Util::TypeConstraints;
use Moose::Deprecated;
-our $VERSION = '1.15';
-$VERSION = eval $VERSION;
-our $AUTHORITY = 'cpan:STEVAN';
-
requires '_helper_type';
+has _used_default_is => (
+ is => 'rw',
+ isa => 'Bool',
+ default => 0,
+);
+
before '_process_options' => sub {
my ( $self, $name, $options ) = @_;
$self->_check_helper_type( $options, $name );
- if ( !exists $options->{is} && $self->can('_default_is') ) {
+ if ( !( any { exists $options->{$_} } qw( is reader writer accessor ) )
+ && $self->can('_default_is') ) {
+
$options->{is} = $self->_default_is;
- Moose::Deprecated::deprecated(
- feature => 'default is for Native Trait',
- message =>
- q{Allowing a native trait to automatically supply a value for "is" is deprecated}
- );
+ $options->{_used_default_is} = 1;
}
- if ( !exists $options->{default} && $self->can('_default_default') ) {
+ if (
+ !(
+ $options->{required}
+ || any { exists $options->{$_} } qw( default builder lazy_build )
+ )
+ && $self->can('_default_default')
+ ) {
+
$options->{default} = $self->_default_default;
Moose::Deprecated::deprecated(
feature => 'default default for Native Trait',
message =>
- 'Allowing a native trait to automatically supply a default is deprecated'
+ 'Allowing a native trait to automatically supply a default is deprecated.'
+ . ' You can avoid this warning by supplying a default, builder, or making the attribute required'
);
}
};
+after 'install_accessors' => sub {
+ my $self = shift;
+
+ return unless $self->_used_default_is;
+
+ my @methods
+ = $self->_default_is eq 'rw'
+ ? qw( reader writer accessor )
+ : 'reader';
+
+ my $name = $self->name;
+ my $class = $self->associated_class->name;
+
+ for my $meth ( uniq grep {defined} map { $self->$_ } @methods ) {
+
+ my $message
+ = "The $meth method in the $class class was automatically created"
+ . " by the native delegation trait for the $name attribute."
+ . q{ This "default is" feature is deprecated.}
+ . q{ Explicitly set "is" or define accessor names to avoid this};
+
+ $self->associated_class->add_before_method_modifier(
+ $meth => sub {
+ Moose::Deprecated::deprecated(
+ feature => 'default is for Native Trait',
+ message =>$message,
+ );
+ }
+ );
+ }
+ };
+
sub _check_helper_type {
my ( $self, $options, $name ) = @_;
"The 'handles' option must be a HASH reference, not $handles");
}
- return map {
- my $to = $handles->{$_};
- $to = [$to] unless ref $to;
- $_ => $to
- } keys %$handles;
+ return
+ map { $_ => $self->_canonicalize_handles_value( $handles->{$_} ) }
+ keys %$handles;
};
+sub _canonicalize_handles_value {
+ my $self = shift;
+ my $value = shift;
+
+ if ( ref $value && 'ARRAY' ne ref $value ) {
+ $self->throw_error(
+ "All values passed to handles must be strings or ARRAY references, not $value"
+ );
+ }
+
+ return ref $value ? $value : [$value];
+}
+
around '_make_delegation_method' => sub {
my $next = shift;
my ( $self, $handle_name, $method_to_call ) = @_;
. $self->_native_type . '::'
. $suffix;
+ load_class($role);
return Moose::Meta::Class->create_anon_class(
superclasses =>
[ $self->accessor_metaclass, $self->delegation_metaclass ],
1;
-__END__
-
-=head1 NAME
+# ABSTRACT: Shared role for native delegation traits
-Moose::Meta::Attribute::Native::Trait - Shared role for native delegation traits
+__END__
=head1 BUGS
Documentation for Moose native traits can be found in
L<Moose::Meta::Attribute::Native>.
-=head1 AUTHORS
-
-Yuval Kogman
-
-Shawn M Moore
-
-Jesse Luehrs
-
-=head1 COPYRIGHT AND LICENSE
-
-Copyright 2007-2009 by Infinity Interactive, Inc.
-
-L<http://www.iinteractive.com>
-
-This library is free software; you can redistribute it and/or modify
-it under the same terms as Perl itself.
-
=cut